code: def __init__(self, rank, world_size, init_ttp=False):
      self.world_size = world_size
      self.rank = rank
      self.reset_communication_stats()
      self._name = f"rank{rank}"
  
      with InProcessCommunicator.lock:
          if InProcessCommunicator.mailbox is None:
              InProcessCommunicator.mailbox = [
                  Queue() for _ in range(self.world_size)
              ]
  
              # This prevents one thread from running ahead of the others and doing
              # multiple puts that would show up in the get calls below
              InProcessCommunicator.barrier = threading.Barrier(
                  self.world_size
              )
  
      # logging:
      level = logging.getLogger().level
      logging.getLogger().setLevel(logging.INFO)
      logging.info("==================")
      logging.info("InProcessCommunicator with rank %d" % self.rank)
      logging.info("==================")
  
      logging.info("World size = %d" % self.get_world_size())
      logging.getLogger().setLevel(level)
  
imports: import logging
  import threading
  from operator import itemgetter
  from queue import Queue
  import torch
  from torch.distributed import ReduceOp
  from .communicator import Communicator
label_desc: Use image node_id 2 to create a new InProcessCommunicator object from inherited base classes: Communicator with example: obj = InProcessCommunicator(rank, world_size, init_ttp)